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112120112102021 = 4739731691896151
BaseRepresentation
bin11001011111100011111111…
…011101000011101010000101
3112200222120121101111121122022
4121133203333131003222011
5104143433442144231041
61034243133552012525
732421260620165232
oct3137437735035205
9480876541447568
10112120112102021
11327a7966352aa1
12106a9766831145
134a73b5c00cc3a
141d988dc998789
15ce677c43b24b
hex65f8ff743a85

112120112102021 has 16 divisors (see below), whose sum is σ = 114830358351360. Its totient is φ = 109423570291200.

The previous prime is 112120112101999. The next prime is 112120112102023. The reversal of 112120112102021 is 120201211021211.

It is a cyclic number.

It is not a de Polignac number, because 112120112102021 - 26 = 112120112101957 is a prime.

It is a super-2 number, since 2×1121201121020212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120112102023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58182296 + ... + 60078446.

It is an arithmetic number, because the mean of its divisors is an integer number (7176897396960).

Almost surely, 2112120112102021 is an apocalyptic number.

It is an amenable number.

112120112102021 is a deficient number, since it is larger than the sum of its proper divisors (2710246249339).

112120112102021 is a wasteful number, since it uses less digits than its factorization.

112120112102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899764.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112120112102021 its reverse (120201211021211), we get a palindrome (232321323123232).

The spelling of 112120112102021 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred twelve million, one hundred two thousand, twenty-one".

Divisors: 1 47 397 3169 18659 148943 1258093 1896151 59130371 89119097 752771947 6008902519 35380281509 282418418393 2385534300043 112120112102021